CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2016	Jul. 03, 2015	Jul. 01, 2016	Jul. 03, 2015
Statement of Comprehensive Income
Sales	$ 5,268	$ 10,289	$ 13,168	$ 18,291
Cost of sales	(3,699)	(6,896)	(8,896)	(11,907)
Gross profit	1,569	3,393	4,272	6,384
Operating expenses:
Selling, general and administrative	(1,766)	(1,755)	(3,437)	(3,597)
Research and development	(569)	(544)	(1,156)	(1,139)
Pension	(65)	(49)	(131)	(424)
Pension settlement		(3,620)		(3,620)
Total operating expenses	(2,400)	(5,968)	(4,724)	(8,780)
Operating loss	(831)	(2,575)	(452)	(2,396)
Other expense, net	(132)	(148)	(260)	(173)
Loss before income tax provision	(963)	(2,723)	(712)	(2,569)
Income tax provision (benefit)	(6)	23	(21)	(28)
Net loss	$ (969)	$ (2,700)	$ (733)	$ (2,597)
Net loss per common share - basic and diluted	$ (0.09)	$ (0.24)	$ (0.07)	$ (0.23)
Weighted average common shares outstanding - basic	11,177	11,158	11,177	11,123
Weighted average common shares outstanding - diluted	11,177	11,158	11,177	11,123
Comprehensive income (loss), net of tax:
Net loss	$ (969)	$ (2,700)	$ (733)	$ (2,597)
Other comprehensive income (loss):
Reclassification of pension expense to net income				195
Pension settlement		31,776		31,776
Other comprehensive income		31,776		31,971
Total comprehensive income (loss)	$ (969)	$ 29,076	$ (733)	$ 29,374